CN101888066A - Fully insulated buried substation - Google Patents
Fully insulated buried substation Download PDFInfo
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- CN101888066A CN101888066A CN2009100115593A CN200910011559A CN101888066A CN 101888066 A CN101888066 A CN 101888066A CN 2009100115593 A CN2009100115593 A CN 2009100115593A CN 200910011559 A CN200910011559 A CN 200910011559A CN 101888066 A CN101888066 A CN 101888066A
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- transformer
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- voltage unit
- switch
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
- H02B7/08—Underground substations
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Abstract
A fully insulated buried substation comprises a frame and a high-voltage unit, a transformer unit and a low-voltage unit which are arranged in the frame, wherein a transformer is arranged in a transformer protection box; the lower half frame, the transformer protection box and the transformer are arranged underground; the high/low-voltage units are positioned on the transformer unit and are arranged above the ground; a plurality of heat pipes are vertically arranged in transformer oil grooves; the upper parts of the heat pipes are respectively positioned at one side of the high-voltage unit and one side of the low-voltage unit; the moving contact of a high-voltage solid insulated switch is connected with an operating mechanism; and secondary-side connection terminals of the transformer are connected with the upper ends of low-voltage switches by penetrating through low-voltage sleeves via the cables. The substation adopts the modular integrated combination structure and the components can be replaced separately. The substation is scientific, reasonable and creative in design, small in volume and convenient to maintain and operate since the monitor display devices are arranged at one side, reduces energy consumption, is easy to install, strong in economical applicability and stable and reliable, and has good development prospect. The substation is suitable for power supply departments.
Description
Technical field
What the present invention relates to is transformer station, and concrete is adopts the solid insulation switch that integrates on-load switch, fuse, isolation fracture and grounding function and low-loss oil-immersed type transformer and low pressure to feed out the fully insulated buried substation of the integrated combining structure of modularization.
Background technology
Transformer station is an indispensable important component part in the electric power system, and it mainly plays safety of distributing electric energy, regulation voltage, protection electrical network and the effects such as power supply quality that improve electrical network, and it also is one of equipment of electrical network energy loss simultaneously.The key effect of transformer station has determined its reliability can not be ignored, and the problem of energy resource consumption simultaneously is the problem of the most important thing of electric power system urgent need solution especially.
At present general general transformer station for safety all is built up in and isolates the area, cause power supply trouble for preventing that high pressure from hurting sb.'s feelings or livestock gets an electric shock, often take various tight measures, again low pressure is delivered to relevant unit and user by low-voltage cable after the power transformation, this remote low voltage electric network send electricity will consume a considerable amount of electric energy in vain, and this comes effective from the power transmission and transformation angle is lower naturally.
And common transformer station experiences a series of requisite processes from the construction of scheme determination, building, the installation of equipment, last debugging, and this was both consuming time, consumes power again, invests big again.A common transformer station will be provided with transformer room and control room at least, considers the layout of busbar again, the operation of equipment, and the safety of the person and the multiple factors such as ventilation cooling of equipment make that general transformer station takies very big area now.
According to the actual fact, present transformer station from transformer to the high and low voltage switch cabinet so that last giving, various faults and problem can take place every now and then, the process need of whole power transmission and transformation has professional's regular maintenance, like this, the cost that artificial expenditure has strengthened operation is virtually added in the maintenance of slave unit or parts, replacing.
Along with further going deep into of China's urban network restructuring, the producer of domestic production transformer station develops like the mushrooms after rain, compete more and more fierce, most of domestic European transformer stations are mainly based on composite plate, corrosion resistant plate, golden nation plate shell at present, as positive safe group, day peace group, Association of South-east Asian Nations etc., traditional high voltage/low voltage preassembled transformer station, transformer room, hyperbaric chamber, low-pressure chamber horizontal arrangement are in same plane, the box height that is exposed at ground is bigger, general height is more than 2 meters, and floor space is big.The high-low pressure cabinet element that present fully buried case becomes suits still immature in the technology of underground condition use, there is potential safety hazard, can only be embedded in transformer underground alone, heat dissipation ventilation is not smooth, and heat looses and do not go out, and this class of insulation with regard to the corresponding requirements TRANSFORMER INSULATING MATERIAL wants high, it is high that the burning-point of transformer oil is also wanted, it is a lot of that thereby the cost that makes transformer improves, the checking for a long time that awaits its useful life simultaneously, and the most key is to guarantee absolute safety.
Summary of the invention
The objective of the invention is big at present transformer station area occupied, operation cost is high and have the problem of potential safety hazard, and provides a kind of employing modular construction easy for installation, consuming little energy, safe and reliable fully insulated buried substation.
The technical scheme that adopts is:
Fully insulated buried substation comprises framework and is installed in framework inner high voltage unit, transformer unit, low voltage unit; Described transformer unit comprises transformer, transformer protective housing and heat-pipe radiator; Transformer (all insulation transformer has obtained patent, and the patent No. is 200720012091.6) is installed in the transformer protective housing, and protective housing is fixedlyed connected with lower half frame, and lower half frame, transformer protective housing and transformer are installed in the underground installation;
Above-mentioned heat-pipe radiator comprises a plurality of heat pipes; A plurality of heat pipes are vertically installed in the transformer tank, and be divided into two parts, the top of a plurality of heat pipes of a part is positioned at a side of high voltage unit and the top of a plurality of heat pipes of another part is positioned at low voltage unit one side, the welded top of the middle part of a plurality of heat pipes and transformer housing, the lower end of a plurality of heat pipes is communicated with the oil tank of transformer of transformer oil trench bottom, top and side in high voltage unit and low voltage unit are provided with ventilation hole, to guarantee the natural convection ventilation heat radiation;
Described high voltage unit comprises and operating machine, the high pressure solid insulated switch; High voltage unit is positioned at the top of transformer unit and is provided with on the ground, (switch with double-isolation has obtained patent to the high pressure solid insulated switch, the patent No. is 200820013728.8) be positioned at transformer primary side above, the output of high pressure solid insulated switch is connected with A, B, the C three-phase high-voltage sleeve pipe of transformer by cable, and the input of high pressure solid insulated switch is by the external high-tension cable of high pressure entrance bushing; The moving contact of high pressure solid insulated switch is connected with operating mechanism, and operating mechanism adopts known technology, is finished parts.
Above-mentioned low voltage unit comprises low-tension bushing and low tension switch; Low voltage unit is positioned at the top of transformer unit and is provided with on the ground, and low voltage unit transformer secondary side terminal links to each other low-tension bushing by cable with the upper end of low tension switch, the external power consumption equipment in the lower end of low tension switch.
The height of above-mentioned protective housing is higher than the height of transformer, and it is above ground level to install when underground protective housing, avoids transformer to be subjected to rain erosion.
The input of the input of above-mentioned full-insulating high-voltage switch, the cable socket of output, transformer all adopts the all-insulation cable terminals.
Above-mentioned high voltage unit, transformer unit, low voltage unit and operating mechanism are the integrated combining structure of modularization, but the split displacement.
Behaviour in service summary of the present invention:
Fully insulated buried substation adopts the double-deck three-dimensional structure in space, and transformer is placed below, high-low pressure unit, and the one transportation is installed.Transformer sinks to undergroundly during installation, and high-low pressure unit and heat-pipe radiator are exposed to ground, and general height is below 1.3 meters, and floor space is little.Because fully insulated buried substation has its particular structure advantage, press the terminal power supply plan in the employing, go deep into load center with middle pressure, reducing the feed radius is final purpose; Improve power supply quality, reduce loss, installation and maintenance and easy accessibility are flexible, and be pollution-free, reliable.Be applicable to city power distribution, street lamp electricity consumption, industrial and mining enterprises, urban district building, mountain area, particularly middle occasion and the bigger middle pressure terminal power supply unit of power load index variation of pressing the terminal load dispersing.
No matter the present invention has extremely strong practicality and advance aspect economical and practical or on electric product is used.Advantage of the present invention is:
(1) fully insulated buried substation adopts the integrated combining structure of modularization, be divided into high-voltage switch gear operating unit, high pressure wire inlet unit, low tension switch outlet unit, transformer unit, transformer protective housing unit, transformer heat-sink unit, but each unit split displacement.Still there are not other manufacturer production at present both at home and abroad.
(2) the solid insulation epoxy casting integrated protection module that integrates on-load switch, fuse, isolation fracture and grounding function is adopted in the high-pressure side, and is safe and reliable, environment friendly and pollution-free.
(3) all high-pressure sides are all insulation, do not have exposed electrified body, and are safe and reliable.
(4) turnover line in high-pressure side connects the tangible formula all-insulation cable connect-disconnect plug of employing, makes things convenient for user installation and maintenance.
(5) high-voltage switch gear has " remote regulating, remote measurement, remote signalling, remote control " four remote control function and mechanical integrated module type five anti-functions.
(6) (heat pipe is a phase change of utilizing working fluid to transformer adopting heat pipe heat radiation technology, reaches small temperature difference, transmits the element of a large amount of heats fast, be so-called hot superconduction), heat pipe is installed in the top of transformer, and radiating rate is fast, helps the heat radiation of transformer.The temperature rise of transformer is hanged down the useful life that can improve transformer.
(7) fully insulated buried substation side and top cover are provided with ventilation hole, adopt natural convection ventilation, guarantee that heat in time sheds.
(8) heat pipe in the transformer heat-sink unit separates with dividing plate with high voltage unit and low voltage unit, is independent of each other to each other, prevents temperature height in the high-low pressure unit, influences the useful life of switch.
(9) be equiped with the domestic economy index S11 oil-filled transformer of finished product preferably in the transformer room.
(10) the transformer outside is provided with protective housing, adopts German aseptic technic to handle, and can prevent that rainwater and moisture from entering the corrosion oil tank of transformer.
(11) low voltage unit feeds out switch and adopts mounting panel to fix, and the space is little, and easy-to-connect can design functions such as distribution, power, illumination, metering, reactive power compensation.
(12) adopt the general frame structure, high pressure and low pressure are conveniently overhauled and are operated on top; The transformer room places underground, and greatly the user saves floor occupying area and operating expenses.
Innovation point of the present invention
(1) fully insulated buried substation adopts the integrated combining structure of modularization, be divided into high-voltage switch gear operating unit, high pressure wire inlet unit, low tension switch outlet unit, transformer unit, transformer protective housing unit, transformer heat-sink unit, but each unit split displacement.
(2) the full-insulation solid insulated switch is adopted in the fully insulated buried substation high-pressure side, with the components and parts combined closing of high pressure, reduce the influence of external environment, and go deep into load center with middle pressure, reducing the feed radius is final purpose, effectively reduces to become distribution operating cost.
(3) high pressure turnover line adopts all insulation insulated cable terminals, does not have exposed electrified body, and is easy to connect, safe and reliable.
(4) adopt the general frame structure, high-voltage switch gear operating unit, high pressure wire inlet unit, low tension switch outlet unit, transformer heat-sink unit are on top, and transformer unit and transformer protective housing unit place the bottom, compact overall structure, and floor space is little.
(5) fully insulated buried substation transformer adopting heat pipe heat radiation technology, heat pipe is inserted in the oil tank of transformer, heat pipe is welded on the top of transformer, be arranged in the both sides of oil tank of transformer, assurance transformer heat can conduct equably and shed, and be provided with special-purpose heat-sink unit passage, at the top and the side be provided with ventilation hole, guarantee the natural convection ventilation heat radiation.
(6) fully insulated buried substation transformer outside is provided with protective housing, and protective housing exceeds ground level, avoids transformer to be subjected to rain erosion.
Design science of the present invention, reasonable, original, volume is small and exquisite, the monitoring Displaying Meter is installed in a side and just keeps in repair and operate, reduces energy consumption, installs easily, economic serviceability is strong, and is reliable and stable, has development prospect preferably.The present invention is applicable to that power supply department uses.
Description of drawings
Fig. 1 is a Facad structure schematic diagram of the present invention.
Fig. 2 is a left side of the present invention low voltage unit structural representation.
Fig. 3 is a right side of the present invention high voltage unit structural representation.
Fig. 4 is Fig. 1 plan structure schematic layout pattern.
Embodiment
Fully insulated buried substation comprises framework 4 and is installed in framework 4 inner high voltage unit 11, transformer unit 5, low voltage unit 1; Be equipped with top cover 2 on the top of framework 4;
Described transformer unit 5, comprise transformer 8, transformer protective housing 10 and heat-pipe radiator 9, transformer 8 is installed in the transformer protective housing 10, transformer protective housing 10 is fixedlyed connected with the Lower Half of framework 4, and the Lower Half of framework 4, transformer protective housing 10 and transformer 8 are installed in the underground installation;
Above-mentioned heat-pipe radiator 9 comprises a plurality of heat pipes 15; In a plurality of heat pipe 15 vertical installing transformer 8 oil grooves, and be divided into two parts, the top of a plurality of heat pipes 15 of a part is positioned at a side of high voltage unit 11, the top of a plurality of heat pipes 15 of another part is positioned at a side of low voltage unit 1, the welded top of the middle part of a plurality of heat pipes 15 and transformer 8 housings, the lower end of a plurality of heat pipes 15 is communicated with the oil tank of transformer of transformer tank 16 bottoms, is provided with ventilation hole in the top and the side of high voltage unit 11 and low voltage unit 1, to guarantee the natural convection ventilation heat radiation;
Described high voltage unit 11 comprises operating mechanism 7, high pressure solid insulated switch 6; High voltage unit 11 is positioned at the top of transformer unit 5 and is provided with on the ground, high pressure solid insulated switch 6 be positioned at transformer 8 primary side above, the output of high pressure solid insulated switch 6 is connected with transformer high-voltage sleeve pipe 12 by cable, and the input of high pressure solid insulated switch 6 is by high pressure entrance bushing 13 external high-tension cables; The moving contact of high pressure solid insulated switch 6 is connected with operating mechanism 7;
Above-mentioned low voltage unit 1 comprises low-tension bushing 14 and low tension switch 3; Low voltage unit 1 is positioned at the top of transformer unit 5 and is provided with on the ground, and transformer 8 secondary side terminals link to each other the upper end of low-tension bushing 14 with low tension switch 3 by cable, the external power consumption equipment in the lower end of low tension switch 3.
The height of above-mentioned transformer protective housing 10 is higher than the height of transformer 8.
The input of above-mentioned high pressure solid insulated switch 6, the cable socket of output, external high-tension cable all adopt the all-insulation cable terminals.
Above-mentioned high voltage unit 11, transformer unit 5, low voltage unit 1 and operating mechanism 7 are the integrated combining structure of modularization, but the split displacement.
Claims (4)
1. fully insulated buried substation comprises framework (4) and is installed in framework (4) inner high voltage unit (11), transformer unit (5), low voltage unit (1); It is characterized in that:
Described transformer unit (5), comprise transformer (8), transformer protective housing (10) and heat-pipe radiator (9), transformer (8) is installed in the transformer protective housing (10), transformer protective housing (10) is fixedlyed connected with the Lower Half of framework (4), and the Lower Half of framework (4), transformer protective housing (10) and transformer (8) are installed in the underground installation;
Above-mentioned heat-pipe radiator (9) comprises a plurality of heat pipes (15); A plurality of heat pipes (15) are vertically installed in transformer (8) oil groove, and be divided into two parts, the top of a plurality of heat pipes of a part (15) is positioned at a side of high voltage unit (11), the top of a plurality of heat pipes of another part (15) is positioned at low voltage unit (1) one side, the welded top of the middle part of a plurality of heat pipes (15) and transformer (8) housing, the lower end of a plurality of heat pipes (15) is communicated with the oil tank of transformer of transformer tank (16) bottom, is provided with ventilation hole in the top and the side of high voltage unit (11) and low voltage unit (1);
Described high voltage unit (11) comprises operating mechanism (7), high pressure solid insulated switch (6); High voltage unit (11) is positioned at the top of transformer unit (5) and is provided with on the ground, high pressure solid insulated switch (6) be positioned at transformer (8) primary side above, the output of high pressure solid insulated switch (6) is connected with transformer high-voltage sleeve pipe (12) by cable, and the input of high pressure solid insulated switch (6) is by the external high-tension cable of high pressure entrance bushing (13); The moving contact of high pressure solid insulated switch (6) is connected with operating mechanism (7);
Above-mentioned low voltage unit (1) comprises low-tension bushing (14) and low tension switch (3); Low voltage unit (1) is positioned at the top of transformer unit (5) and is provided with on the ground, and transformer (8) secondary side terminals wear low-tension bushing (14) by cable and link to each other the external power consumption equipment in lower end of low tension switch (3) with the upper end of low tension switch (3).
2. fully insulated buried substation according to claim 1 is characterized in that: the height of above-mentioned transformer protective housing (10) is higher than the height of transformer (8).
3. fully insulated buried substation according to claim 1 is characterized in that: the input of above-mentioned high pressure solid insulated switch (6), the cable socket of output, external high-tension cable all adopt the all-insulation cable terminals.
4. fully insulated buried substation according to claim 1 is characterized in that: above-mentioned high voltage unit (11), transformer unit (5), low voltage unit (1) and operating mechanism (7) they are the integrated combining structure of modularization, but the split displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910011559A CN101888066B (en) | 2009-05-15 | 2009-05-15 | Fully insulated buried substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910011559A CN101888066B (en) | 2009-05-15 | 2009-05-15 | Fully insulated buried substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101888066A true CN101888066A (en) | 2010-11-17 |
| CN101888066B CN101888066B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910011559A Expired - Fee Related CN101888066B (en) | 2009-05-15 | 2009-05-15 | Fully insulated buried substation |
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| Country | Link |
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| CN (1) | CN101888066B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416894A (en) * | 2019-08-02 | 2019-11-05 | 宝鸡市科威尔电器有限公司 | Outdoor mobile exchange emergency power distribution equipment |
| CN111863380A (en) * | 2019-04-25 | 2020-10-30 | 宁波奥克斯高科技有限公司 | Box type transformer and manufacturing method thereof |
| CN111987619A (en) * | 2020-08-26 | 2020-11-24 | 何伟 | Block terminal is used in construction suitable for building engineering |
-
2009
- 2009-05-15 CN CN200910011559A patent/CN101888066B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863380A (en) * | 2019-04-25 | 2020-10-30 | 宁波奥克斯高科技有限公司 | Box type transformer and manufacturing method thereof |
| CN111863380B (en) * | 2019-04-25 | 2022-07-19 | 宁波奥克斯高科技有限公司 | Box type transformer and manufacturing method thereof |
| CN110416894A (en) * | 2019-08-02 | 2019-11-05 | 宝鸡市科威尔电器有限公司 | Outdoor mobile exchange emergency power distribution equipment |
| CN110416894B (en) * | 2019-08-02 | 2024-03-29 | 宝鸡市科威尔电器有限公司 | Outdoor movable alternating current emergency power distribution device |
| CN111987619A (en) * | 2020-08-26 | 2020-11-24 | 何伟 | Block terminal is used in construction suitable for building engineering |
| CN111987619B (en) * | 2020-08-26 | 2022-08-19 | 江苏恒健建设集团有限公司 | Block terminal is used in construction suitable for building engineering |
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| Publication number | Publication date |
|---|---|
| CN101888066B (en) | 2012-09-26 |
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Owner name: SHENYANG HAOCEN ELECTRIC CO., LTD. Free format text: FORMER OWNER: SHENYANG HAOCHENG ELECTRICAL EQUIPMENT CO., LTD. Effective date: 20101203 |
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Effective date of registration: 20101203 Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Applicant after: Shenyang Haocheng Electric Co., Ltd. Address before: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Applicant before: Shenyang Haocheng Electrical Equipment Co., Ltd. |
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Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Patentee after: Shenyang Haocheng Electrical Equipment Co., Ltd. Address before: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone Patentee before: Shenyang Haocheng Electric Co., Ltd. |
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Granted publication date: 20120926 Termination date: 20210515 |